Practice the questions of **McGraw Hill Math Grade 4 Answer Key PDF Posttest **to secure good marks & knowledge in the exams.

## McGraw-Hill Math Grade 4 Posttest Answer Key

**Fill in each blank. Use the best term from the word bank. You may not use every term.**

Question 1.

A(n) ______________ is a group of numbers with an operation symbol.

Answer:

An equation is a group of numbers with an operation symbol.

Question 2.

To find the difference between two numbers, you ____________.

Answer:

To find the difference between two numbers, you subtract.

Question 3.

You ____________ to find out how many in all.

Answer:

You add to find out how many in all.

Question 4.

The ______________ is the number below the fraction bar in a fraction.

Answer:

The denominator is the number below the fraction bar in a fraction.

Question 5.

A(n) _____________ has four equal sides and four equal angles.

Answer:

A square has four equal sides and four equal angles.

Question 6.

A(n) ______________ is the number of equal groups a dividend is divided by in a division problem.

Answer:

A whole is the number of equal groups a dividend is divided by in a division problem.

Question 7.

An array is a good way to show _______________ of objects.

Answer:

An array is a good way to show equal groups of objects.

Question 8.

A(n) _______________ is a shape that has zero sides and zero angles.

Answer:

A circle is a shape that has zero sides and zero angles.

Question 9.

You ______________ to find a number close to an exact amount.

Answer:

You estimate to find a number close to an exact amount.

Question 10.

You ______________ to find how many equal groups a number can be divided into.

Answer:

You divide to find how many equal groups a number can be divided into.

Question 11.

The answer to an addition problem is called the _____________.

Answer:

The answer to an addition problem is called the sum.

Question 12.

You can _______________ two numbers together to find the product.

Answer:

You can multiply two numbers together to find the product.

Question 13.

A(n) _______________ is a symbol used to name part of a whole.

Answer:

A fraction is a symbol used to name part of a whole.

Question 14.

The _______________ is the answer to a division problem.

Answer:

The quotient is the answer to a division problem.

**Write each number in standard form.**

Question 15.

7 tens

Answer:

70

Explanation:

The standard form of 7 tens is 70.

Question 16.

50 + 1

Answer:

51

Explanation:

The standard form of 50 + 1 = 51.

Question 17.

seventy-seven

Answer:

77

Explanation:

The standard form of seventy-seven is 77.

Question 18.

nineteen

Answer:

19

Explanation:

The standard form of nineteen is 19.

Question 19.

7 hundreds 1 ten 4 ones

Answer:

714

Explanation:

The standard form of 7 hundreds 1 ten 4 ones is 714.

Question 20.

800 + 8

Answer:

808

Explanation:

The standard form of 800 + 8 is 808.

Question 21.

Answer:

104

Explanation:

There is 1 hundreds block and 4 ones cubes

The standard form of the given quick picture is 104.

Question 22.

Answer:

43

Explanation:

There are 4 tens sticks and 3 ones cube

The standard form of the given quick picture is 43.

Question 23.

Answer:

37

Explanation:

There are 3 tens sticks and 7 ones cube

The standard form of the given quick picture is 37.

**Skip count. Write the missing numbers.**

Question 24.

8, 10, 12, _________, ___________, __________, 20

Answer:

14, 16, 18,

Explanation:

The numbers in the pattern are skip counts of 2

The missing numbers are 14, 16, 18.

Question 25.

70, 80, 90, _________, _________, _________, 130

Answer:

100, 110, 120

Explanation:

The numbers in the pattern are skip counts of 10

The missing numbers are 100, 110, 120.

Question 26.

75, 80, 85, _________, _________, _________, 105

Answer:

90, 95, 100

Explanation:

The numbers in the pattern are skip counts of 5

The missing numbers are 90, 95, 100

**Compare each pair of numbers. Write <,>**** ****, or = for each.**

Question 27.

496 398

Answer:

496 ** **398

Explanation:

The number 496 is greater than 398.

Question 28.

457,824 457,844

Answer:

457,824 457,844

Explanation:

The number 457,824 is less than 457,844.

Question 29.

\(\frac{3}{6}\) \(\frac{1}{2}\)

Answer:

\(\frac{3}{6}\) \(\frac{1}{2}\)

Explanation:

The number \(\frac{3}{6}\) is equal to \(\frac{1}{2}\).

Question 30.

14 41

Answer:

14 41

Explanation:

The number 14 is less than 41.

Question 31.

5.4 5.0

Answer:

5.4 5.0

Explanation:

The number 5.4 is greater than 5.0.

Question 32.

592 595

Answer:

592 595

Explanation:

The number 592 is less than 595.

**Add. Write the sum.**

Question 33.

Answer:

Explanation:

The sum of 356 and 871 is 1227.

Question 34.

Answer:

Explanation:

The sum of 18437 and 31854 is 50291.

Question 35.

Answer:

Explanation:

The sum of 36792 and 9654 is 46446.

Question 36.

Answer:

Explanation:

The sum of 63121 and 42190 is 105311.

Question 37.

Answer:

Explanation:

The sum of 562 ,711 and 631 is 1904.

Question 38.

Answer:

Explanation:

The sum of 25582 ,72990 and 31854 is 130426.

Question 39.

Answer:

Explanation:

The sum of 5612 , 6453 and 8904 is 20969.

Question 40.

Answer:

Explanation:

The sum of 953 ,110 and 872 is 1935.

**Subtract. Write the difference.**

Question 41.

Answer:

Explanation:

The difference between 529228 and 337643 is 191585.

Question 42.

Answer:

Explanation:

The difference between 815027 and 56774 is 758253.

Question 43.

Answer:

Explanation:

The difference between 437184 and 72138 is 365046.

Question 44.

Answer:

Explanation:

The difference between 90543 and 90251 is 292.

**Round to the nearest thousand to estimate the sum or difference.**

Question 45.

82,019 – 78,901 = ____________

Answer:

3000

Explanation:

82019 – 78901

I rounded the numbers to the nearest thousand to estimate the difference

= 82000 – 79000

= 3000

So, the estimated difference between the given numbers is 3000.

Question 46.

351,092 + 238,091 = ____________

Answer:

589000

Explanation:

351,092 + 238,091

I rounded the numbers to the nearest thousand to estimate the sum

= 351000 + 238000

= 589000

So, the estimated sum of the given numbers is 3000.

**Round to the nearest hundred to estimate the sum or difference.**

Question 47.

74,521 + 676,890 = ____________

Answer:

751400

Explanation:

74,521 + 676,890

I rounded the numbers to the nearest hundred to estimate the sum

= 74500 + 676900

= 751400

So, the estimated sum of the given numbers is 751400.

Question 48.

90,932 – 65,721 = _____________

Answer:

25200

Explanation:

90,932 – 65,721

I rounded the numbers to the nearest hundred to estimate the difference

= 90900 – 65700

= 25200

So, the estimated difference between the given numbers is 25200.

**Solve.**

Question 49.

A rectangular yard is 8 meters long and 5 meters wide. What is the perimeter of the yard?

Answer:

26 meters

Explanation:

A rectangular yard is 8 meters long and 5 meters wide

l = 8, b = 5

Perimeter of a rectangle = 2l + 2b

= (2×8) + (2×5)

= 16 + 10

= 26

So, perimeter of the rectangular yard is 26 meters.

Question 50.

A sandbox measures 7 feet long and 5 feet wide. What is the area of the sandbox?

Answer:

35 square feet

Explanation:

A sandbox measures 7 feet long and 5 feet wide

l = 7, b = 5

Area of the rectangle = l x b

= 7 x 5

= 35 square feet

So, area of the sandbox is 35 square feet.

**Find the product.**

Question 51.

4 × 0 = ___________

Answer:

0

Explanation:

Any number multiplied by 0 is 0

So, 4 x 0 = 0.

Question 52.

2 × 8 = ___________

Answer:

16

Explanation:

The product of 2 and 8 is 16

So, 2 x 8 = 16.

Question 53.

9 × 8 = ____________

Answer:

72

Explanation:

The product of 9 and 8 is 72

So, 9 x 8 = 72.

Question 54.

12 × 4 = __________

Answer:

48

Explanation:

The product of 12 and 4 = 48

So, 12 x 4 = 48.

Question 55.

10 × 5 = _____________

Answer:

50

Explanation:

The product of 10 and 5 is 50

so, 10 x 5 = 50.

Question 56.

5 × 1 = ______________

Answer:

5

Explanation:

The product of 5 and 1 is 5

So, 5 x 1 = 5.

**Find the quotient.**

Question 57.

12 ÷ 3 = ____________

Answer:

Explanation:

12 ÷ 3 = 4

The quotient is 4.

Question 58.

32 ÷ 4 = ____________

Answer:

Explanation:

32 ÷ 4 = 8

The quotient is 8.

Question 59.

35 ÷ 7 = _____________

Answer:

Explanation:

35 ÷ 7 = 5

The quotient is 5.

Question 60.

132 ÷ 12 = _____________

Answer:

Explanation:

132 ÷ 12 = 11

The quotient is 11.

Question 61.

88 ÷ 11 = _____________

Answer:

Explanation:

88 ÷ 11 = 8

The quotient is 8.

Question 62.

60 ÷ 10 = _______________

Answer:

Explanation:

60 ÷ 10 = 6

The quotient is 6.

Question 63.

Which multiplication property is shown in this sentence? 5 × (12 + 15) = (5 × 12)+ (5 × 15)

Answer:

Distributive property

Explanation:

5 × (12 + 15) = (5 × 12)+ (5 × 15) is an example of distributive property of multiplication.

**Identify each number as prime or composite.**

Question 64.

6 ___________

Answer:

Composite number

Explanation:

6 is a composite number.

Question 65.

11 ______________

Answer:

Prime number

Explanation:

11 is a prime number.

Question 66.

11 ____________

Answer:

Prime number

Explanation:

11 is a prime number.

Question 67.

66 ______________

Answer:

Composite number

Explanation:

66 is a composite number.

**Find all the factor pairs of each number.**

Question 68.

12 ______________

Answer:

1 x 12, 2 x 6, 3 x 4

Explanation:

The factors pairs of the number 12 are 1 x 12, 2 x 6, 3 x 4.

Question 69.

19 ______________

Answer:

1 x 19

Explanation:

There is only 1 pair of factors for the number 19

The factor pair of 19 is 1 x 19.

**Solve. Write the expressions you used and the answers.**

Question 70.

Ms. Neal is making a large pot of stew for a family reunion. The recipe calls for 4 times as many peas as carrots. If she uses 2 cups of carrots, how many cups of peas will she need?

Answer:

8 cups of peas

Explanation:

Ms. Neal is making a large pot of stew for a family reunion

The recipe calls for 4 times as many peas as carrots

She uses 2 cups of carrots

So, multiply 4 and 2

4 x 2 = 8

So, Ms. Neal need 8 cups of peas.

Question 71.

A deli has 6 times as many bottles of juice as pickles. If the deli has 54 bottles of juice, how many pickles are in the deli? Use the variable y for the number of pickles.

Answer:

9 pickles

Explanation:

A deli has 6 times as many bottles of juice as pickles

If the deli has 54 bottles of juice

The equation that helps to solve the problem is

6y = 54

y = 54 ÷ 6

y = 9

So, there are 9 pickles.

**Write an equivalent fraction for each.**

Question 72.

\(\frac{3}{4}\)

Answer:

\(\frac{6}{8}\)

Explanation:

The fraction \(\frac{3}{4}\) is equivalent to \(\frac{6}{8}\).

Question 73.

\(\frac{24}{40}\)

Answer:

\(\frac{24}{40}\)

Explanation:

The equivalent fraction for \(\frac{24}{40}\) is \(\frac{12}{20}\).

Question 74.

\(\frac{4}{36}\)

Answer:

\(\frac{2}{18}\)

Explanation:

The equivalent fraction for \(\frac{4}{36}\) is \(\frac{2}{18}\).

**Add or subtract. Write your answers in simplest form.**

Question 75.

\(\frac{2}{5}\) + \(\frac{1}{5}\) = ______________

Answer:

\(\frac{3}{5}\)

Explanation:

\(\frac{2}{5}\) + \(\frac{1}{5}\) = \(\frac{3}{5}\).

Question 76.

\(\frac{3}{10}\) + \(\frac{5}{10}\) = ______________

Answer:

\(\frac{8}{10}\)

Explanation:

\(\frac{3}{10}\) + \(\frac{5}{10}\) = \(\frac{8}{10}\)

Question 77.

78\(\frac{9}{15}\) – 47\(\frac{5}{15}\) = ______________

Answer:

31\(\frac{4}{15}\)

Explanation:

78\(\frac{9}{15}\) – 47\(\frac{5}{15}\) = 31\(\frac{4}{15}\).

**Write each fraction as a decimal.**

Question 78.

\(\frac{5}{10}\)

Answer:

0.5

Explanation:

The decimal of the fraction \(\frac{5}{10}\) is 0.5.

Question 79.

\(\frac{30}{100}\)

Answer:

0.3

Explanation:

The decimal of the fraction \(\frac{30}{100}\) is 0.3.

Question 80.

\(\frac{78}{100}\)

Answer:

0.78

Explanation:

The decimal of the fraction \(\frac{78}{100}\) is 0.78.

Question 81.

\(\frac{40}{50}\)

Answer:

0.8

Explanation:

The decimal for he fraction \(\frac{40}{50}\) is 0.8.

Question 82.

Plot 1.20 on the number line. Label it A.

Answer:

Explanation:

I plotted the number 1.20 on the number line and labeled it A.

Question 83.

Plot 1\(\frac{70}{100}\) on the number line. Label it B.

Answer:

Explanation:

The decimal of the fraction 1\(\frac{70}{100}\) is 1.7

I plotted the number 1.7 on the number line and labeled it B.

Question 84.

Plot 1\(\frac{2}{5}\) on the number line. Label it C.

Answer:

Explanation:

The decimal of the fraction 1\(\frac{2}{5}\) is 1.4

I plotted the number 1.4 on the number line and labeled it C.

**Multiply to find each missing number.**

Question 85.

3 m = _____________ cm

Answer:

300 cm

Explanation:

1 meter = 100 cm

3 m = 3 x 100

= 300 cm

So, 3 m = 300 cm.

Question 86.

62 ft = ______________ in

Answer:

744 in

Explanation:

1 ft = 12 in

62 ft = 62 x 12

= 744

So, 62 ft = 744 in.

Question 87.

11 kg = ______________ g

Answer:

11000 g

Explanation:

1 kg = 1000 g

11 kg = 11 x 1000

= 1000 g

So, 11 kg = 11000 g.

Question 88.

Which figure is an obtuse angle? Place a check mark under the correct answer.

Answer:

Explanation:

The first figure is an obtuse angle

So, i placed a check mark under the first figure.

Question 89.

Which figure is a line segment? Place a check mark under the correct answer.

Answer:

Explanation:

The third figure is a line segment

So, i placed a check mark under the third figure.

Question 90.

Which figure is an acute isosceles triangle? Place a check mark under the correct answer.

Answer:

Explanation:

The second figure is an acute isosceles triangle

So, i placed a check mark under second figure.

Question 91.

Which pair of lines is perpendicular? Place a check mark under the correct answer.

Answer:

Explanation:

The second figure is a pair of perpendicular lines

So, i placed a check mark under the second figure.

**Use a protractor to measure each angle. You may need to extend its sides.**

Question 92.

Answer:

Explanation:

The measure of the given angle is 40°.

Question 93.

Answer:

Explanation:

The measure of the given angle is 150°.

**Solve.**

Question 94.

A mechanic uses a wrench to turn a bolt. He turns it 62°. After a few minutes, he turns it another 18°. How many degrees did he turn the bolt altogether?

Answer:

80°

Explanation:

A mechanic uses a wrench to turn a bolt. He turns it 62°

After a few minutes, he turns it another 18°

Add 62 and 18

62 + 18 = 80°

So, the mechanic turned the blot for 80°.

Question 95.

A wheel spins forward 122°. Then it spins backward 34°. At what degree measure does the wheel stop spinning?

Answer:

98°

Explanation:

A wheel spins forward 122°

Then it spins backward 34°

Subtract 34 from 122

112° – 34° = 98°

The wheel stop spinning at 98°.